CVE-2020-9059

MEDIUM

Silicon Labs 500 Series Firmware - Uncontrolled Resource Consumption via S0 Authentication

Title source: llm
STIX 2.1

Description

Z-Wave devices based on Silicon Labs 500 series chipsets using S0 authentication are susceptible to uncontrolled resource consumption leading to battery exhaustion. As an example, the Schlage BE468 version 3.42 door lock is vulnerable and fails open at a low battery level.

References (5)

Core 5
Core References
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
https://kb.cert.org/vuls/id/142629
Broken Link x_refsource_misc
https://ieeexplore.ieee.org/document/9663293
Broken Link x_refsource_misc
https://doi.org/10.1109/ACCESS.2021.3138768
Third Party Advisory, US Government Resource third-party-advisory x_refsource_cert-vn
https://www.kb.cert.org/vuls/id/142629

Scores

CVSS v3 6.5
EPSS 0.0085
EPSS Percentile 53.2%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-400 CWE-770
Status published
Products (2)
schlage/be468 3.42
silabs/500_series_firmware
Published Jan 10, 2022
Tracked Since Feb 18, 2026